The UN Sustainable Energy initiative has set the goal of ensuring sustainable energy for all by 2030. However, the international community still can't overcome the problem of energy access.

Over a period in which the Australian economy saw around 600,000 additional people get jobs, employment in the renewables sector has been going backwards.
AAP Image/City of Sydney, Damian Shaw3 avril 2017

The Australian Renewable Energy Agency has survived, amid a groundswell of domestic and overseas support. Its budget has been chopped, but here's how it can still drive the renewable energy revolution.

Solar power has enormous potential, but provides only about one percent of world electricity today. An engineer explains the many steps it takes to make solar panels that are efficient, clean and cheap.